详细介绍：【代码】debian杂项。
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pre, pre, pre { white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important }</style><div class="markdown_views prism-github-gist" id="content_views"><svg style="display: none" xmlns="http://www.w3.org/2000/svg"><path d="M5,0 0,2.5 5,5z" id="raphael-marker-block" stroke-linecap="round" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0)"></path></svg><ul><li>移除非 Debian 软件包</li></ul>
<pre style="white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important"><code class="prism language-bash"><span class="token function">apt</span> list <span class="token string">'?narrow(?installed, ?not(?origin(Debian)))'</span></code></pre>
<ul><li>清理配置文件残留</li></ul>
<pre style="white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important"><code class="prism language-bash"><span class="token function">find</span> /etc -name <span class="token string">'*.dpkg-*'</span> -o -name <span class="token string">'*.ucf-*'</span> -o -name <span class="token string">'*.merge-error'</span></code></pre>
<ul><li>清理已删除的软件包</li></ul>
<pre style="white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important"><code class="prism language-bash"><span class="token comment">#显示列表</span>
<span class="token function">apt</span> list <span class="token string">'~c'</span>
<span class="token comment">#清理</span>
<span class="token function">apt</span> purge <span class="token string">'~c'</span></code></pre>
<ul><li>过时的软件包</li></ul>
<pre style="white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important"><code class="prism language-bash"><span class="token comment">#显示列表</span>
<span class="token function">apt</span> list <span class="token string">'~o'</span>
<span class="token comment">#清理</span>
<span class="token function">apt</span> purge <span class="token string">'~o'</span></code></pre>
<ul><li>变更源现代格式</li></ul>
<pre style="white-space: pre !important; word-wrap: normal !important; overflow-x: auto !important"><code class="prism language-bash"><span class="token function">apt</span> modernize-sources
<span class="token comment">#有些源需要手动写入限制64位</span>
Architectures: amd64</code></pre>
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来源：https://www.cnblogs.com/yfceshi/p/19003320
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